Discovered by A. Borrelly Minor planet category Main belt Aphelion 3.3150 AU (495.92 Gm) Discovered 1 August 1877 Spectral type C-type asteroid Discovery site Marseille Observatory | Discovery date 1 August 1877 Observation arc 137.23 yr (50124 d) Perihelion 2.1769 AU (325.66 Gm) Orbits Sun Discoverer Alphonse Borrelly Asteroid group Asteroid belt | |
Similar 165 Loreley, 196 Philomela, 188 Menippe, 162 Laurentia, 174 Phaedra | ||
Occultation of hip 48340 by asteroid 173 ino
173 Ino is a large main-belt asteroid that was discovered by French astronomer Alphonse Borrelly on August 1, 1877, and named after Ino, a queen in Greek mythology. The adjectival form of the asteroid name is Inoan. Categorized as a C-type asteroid from its spectrum, 173 Ino has a dark surface and a primitive carbonaceous composition.
Multiple photometric studies of this asteroid were performed between 1978 and 2002. The combined data gave an irregular, asymmetrical light curve with a period of 6.163 ± 0.005 hours and a brightness variation of 0.10–0.15 in magnitude. The asteroid is rotating in a retrograde direction.
References
173 Ino Wikipedia(Text) CC BY-SA